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March-April 2015
Volume 21 | Issue 2
Page Nos. 59-122
Online since Monday, March 23, 2015
Accessed 58,387 times.
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EDITORIAL
The acceptability of screening for colorectal cancer in Saudi Arabia: Myths busted
p. 59
Nasser A. N. Alsanea
DOI
:10.4103/1319-3767.153806
PMID
:25843189
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SPECIAL COMMUNICATION
SASLT position statement on the direct-acting antiviral agents for the treatment of hepatitis C virus infection
p. 60
Abdullah S Alghamdi, Adel Alqutub, Faisal Abaalkhail, Faisal M Sanai, Hamdan Alghamdi, Ibrahim Altraif, Khalid A Alswat, Mohammed Y Alghamdi, Mohammed A Babatin, Faleh Z Alfaleh
DOI
:10.4103/1319-3767.153810
PMID
:25843190
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REVIEW ARTICLE
Nonalcoholic fatty liver disease: Noninvasive methods of diagnosing hepatic steatosis
p. 64
Rasha AlShaalan, Murad Aljiffry, Said Al-Busafi, Peter Metrakos, Mazen Hassanain
DOI
:10.4103/1319-3767.153812
PMID
:25843191
Hepatic steatosis is the buildup of lipids within hepatocytes. It is the simplest stage in nonalcoholic fatty liver disease (NAFLD). It occurs in approximately 30% of the general population and as much as 90% of the obese population in the United States. It may progress to nonalcoholic steatohepatitis, which is a state of hepatocellular inflammation and damage in response to the accumulated fat. Liver biopsy remains the gold standard tool to diagnose and stage NAFLD. However, it comes with the risk of complications ranging from simple pain to life-threatening bleeding. It is also associated with sampling error. For these reasons, a variety of noninvasive radiological markers, including ultrasound, computed tomography, magnetic resonance spectroscopy, and the controlled attenuation parameter using transient elastography and Xenon-133 scan have been proposed to increase our ability to diagnose NAFLD, hence avoiding liver biopsy. The aim of this review is to discuss the utility and accuracy of using available noninvasive diagnostic modalities for fatty liver in NAFLD.
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ORIGINAL ARTICLES
Effect of public knowledge, attitudes, and behavior on willingness to undergo colorectal cancer screening using the health belief model
p. 71
Majid A Almadi, Mahmoud H Mosli, Mohamed S Bohlega, Mohanned A Al Essa, Mohammed S AlDohan, Turki A Alabdallatif, Turki Y AlSagri, Faleh A Algahtani, Ahmed Mandil
DOI
:10.4103/1319-3767.153814
PMID
:25843192
Background/Aims:
Success of colorectal cancer (CRC) screening is dependent in part on the proportion of uptake by the targeted population. We aimed in this study to identify factors that were associated with willingness to undergo CRC screening based on the health belief model (HBM).
Patients and Methods:
This was a cross-sectional study among citizens of Riyadh, Saudi Arabia. Demographic data collected included gender, age, education, marital status, employment status, a history of CRC in the family or knowing a friend with CRC, as well as income. A questionnaire was developed in Arabic based on the HBM and included enquiries on knowledge about CRC symptoms and risk factors, types of CRC screening tests, perceived risk of CRC, previously undergoing CRC screening, intent to undergo CRC screening, perceived barriers to CRC screening, perceived severity of CRC, as well as attitudes toward CRC and its screening.
Results:
Five hundred participants were included. The mean age was 41.0 years (SD 10.7). Males were 50% and only 6.7% of those between 50 and 55 years of age had undergone CRC screening. Of those surveyed, 70.7% were willing to undergo CRC screening. Also, 70.5% thought that CRC is curable, 73.3% believed it was preventable, whereas 56.7% thought it was a fatal disease. Neither gender, level of education, occupation, income, marital status, nor general knowledge about CRC was found to be associated with the willingness to undergo CRC screening. Recognizing that colonoscopy was a screening test (OR 1.55, 95% CI; 1.04-2.29) was associated with a strong desire to undergo CRC screening while choosing a stool-based test was associated with not willing to undergo CRC screening (OR 0.59, 95%CI; 0.38-0.91).
Conclusion:
We found that the majority of those interviewed were willing to undergo CRC screening and identified a number of barriers as well as potential areas that could be targeted in the promotion of CRC screening uptake if such a national program were to be implemented.
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Public awareness of colorectal cancer in Saudi Arabia: A survey of 1070 participants in Riyadh
p. 78
Ahmad M Zubaidi, Noura M AlSubaie, Areej A AlHumaid, Shaffi A Shaik, Khayal A AlKhayal, Omar A AlObeed
DOI
:10.4103/1319-3767.153819
PMID
:25843193
Background/Aims:
The aim of this study was to investigate colorectal cancer (CRC) awareness in healthy individuals in Saudi Arabia in order to identify segments of the population that would most benefit from targeted education programs.
Setting and Design:
Survey/questionnaire.
Patients and Methods:
Random, healthy individuals from Riyadh, Saudi Arabia, were approached to participate in a 10-question multiple choice survey about CRC. Data were analyzed by demographic criteria, including age, gender, marital status, and level of education, to determine if members of these groups displayed differential knowledge.
Statistical Analysis:
Differences in responses by demographic data were analyzed using Pearson's Chi-square test. A
P
< 0.05 was considered statistically significant.
Results:
In total, 1070 participants completed the survey. Most respondents believe that screening for colon cancer should begin at symptom onset (42.9%). Less than 20% of all respondents believe that polyps are a risk factor for CRC, which varied significantly according to level of education; however, even the most educated answered correctly less than 50% of the time. Similarly, only 34.8% of all respondents knew that a family history of CRC imparted a personal risk for CRC.
Conclusions:
Although older individuals and those with higher education tended to answer questions correctly more often, there were some misconceptions regarding universally accepted screening protocols, symptoms, and general understanding of CRC in Saudi Arabia. A national education/screening program in Saudi Arabia is recommended to improve CRC knowledge.
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Mannose-binding lectin gene polymorphism and chronic hepatitis B infection in children
p. 84
Gulin Erdemir, Tanju B Ozkan, Taner Ozgur, Ferah Budak, Sara S Kilic, Huseyin Onay
DOI
:10.4103/1319-3767.153825
PMID
:25843194
Background/Aims:
Mannose-binding lectin (MBL) is a member of innate immune system that activates complement system through lectin pathway. MBL deficiency is associated with susceptibility to infectious diseases. In this study, the relation between MBL gene polymorphism and chronic hepatitis B infection in children is evaluated.
Patients and Methods:
The study included 67 children with chronic hepatitis B and 99 healthy controls. The hepatitis B patients were divided into immuntolerant, chronic inactive, and treatment groups according to their laboratory findings. MBL gene codon 52, 54, and 57 polymorphisms were studied with polymerase chain reaction in all patients and controls. The associations of MBL gene polymorphism with clinical, laboratory, and histopathologic findings were evaluated.
Results:
Homozygous codon 54 polymorphism of MBL was found significantly higher in chronic hepatitis B patients than controls. Rate of the polymorphism was similar in all groups and, responsive and nonresponsive patients in the treatment group.
Conclusions:
The hepatitis B patients who are homozygous for codon 54 of MBL are prone to develop chronic infection. Longitudinal studies with larger groups are needed.
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Quality of gastroenterology research published in Saudi Arabian scientific journals
p. 90
Majed M Almaghrabi, Abdullah S Alamoudi, Suhaib A Radi, Anas A Merdad, Ahmad M Makhdoum, Faisal A Batwa
DOI
:10.4103/1319-3767.153827
PMID
:25843195
Background/Aims:
Evidence-based medicine has established itself in the field of gastroenterology. In this study we aim to assess the types of study designs of gastroenterology-related articles published in Saudi scientific journals.
Patients and Methods:
An online review using PubMed was carried out to review gastroenterology-related articles published in six Saudi medical journals in the time interval from 2003 to 2012. To classify the level of evidence in these articles we employed the Oxford's levels of evidence. One-way analysis of variance was used to compare the levels of evidence between published articles.
Results:
A total of 721 gastroenterology-related articles were reviewed, of which 591 articles met our inclusion criteria; 80.7% were level IV. The three most common types of studies we encountered were cross-sectional (33.9%), case reports (27.9%), and case series (18.8%). Forty-three percent of the published research was in the field of hepatobiliary and spleen. The total number of articles increased from 260 articles in the 1
st
5-year period (2003-2007) to 330 in the 2
nd
period (2008-2012). However, no statistically significant difference in the level of evidence was noted. In
Annals of Saudi Medicine Journal
, articles with level II increased from 0 to 10% with a
P
value 0.02.
Conclusion:
In our review of gastroenterology-related published articles in Saudi scientific journals, we observed an increase in the quantity of articles with the quality and level of evidence remaining unchanged. Further research is recommended to explore different reasons affecting the volume and quality of gastroenterology-related research in Saudi scientific journals.
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Toll-like receptor gene polymorphisms and susceptibility to Epstein-Barr virus-associated and -negative gastric carcinoma in Northern China
p. 95
Shuzhen Liu, Xiaofeng Wang, Yuanyuan Shi, Lu Han, Zhenzhen Zhao, Chengquan Zhao, Bing Luo
DOI
:10.4103/1319-3767.153832
PMID
:25843196
Background/Aims:
Various polymorphisms in toll-like receptor (TLR) genes have been identified and associated with susceptibility to various malignancies, such as gastric carcinoma (GC), breast cancer, and prostate cancer. However, little is known about the polymorphisms of TLR genes and the susceptibility to GC in Northern China, especially to Epstein-Barr virus-associated GC (EBVaGC). We focused on the association with susceptibility to GC, especially to EBVaGC.
Patients and Methods:
Polymorphisms of the
TLR2
,
3
,
4
, and
9
genes were measured in 52 cases of EBVaGC and 157 cases of EBV-negative GC (EBVnGC). Ninety-four peripheral blood samples from healthy individuals were also examined.
Results:
For the
TLR2
gene (196 to 174 del), there was no significant difference between the GC group and control group in genotype, but there was a significant difference in the del allele. As for the
TLR3
gene (c. 1377C/T), there were significant differences between the GC group and the control group in both genotype and allelic frequency. No SNPs single nucleotide polymorphisms (SNPs) were found in the
TLR4
gene at the sites Asp299Gly and Thr399Ile. As for
TLR9
1486T/C (rs187084) and C2848T (rs352140), there was also no association between the GC group and control. In all of the indicators, there were no significant differences between EBVaGCs and EBVnGCs.
Conclusions:
The
TLR3
gene (c. 1377C/T) polymorphisms and the del allele of the
TLR2
gene ( 196 to 174) were both associated with susceptibility to GC in Shangdong Province of Northern China. There was no interaction between EBV and
TLR
gene polymorphisms in EBVaGC.
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Partially hydrolyzed guar gum in the treatment of irritable bowel syndrome with constipation: Effects of gender, age, and body mass index
p. 104
Luigi Russo, Paolo Andreozzi, Francesco P Zito, Letizia Vozzella, Ivana G Savino, Giovanni Sarnelli, Rosario Cuomo
DOI
:10.4103/1319-3767.153835
PMID
:25843197
Background/Aims:
Partially hydrolyzed guar gum (PHGG) relieves symptoms in constipation-predominant irritable bowel syndrome (IBS) and may have prebiotic properties. However, the correlation between the effectiveness of PHGG and patient characteristics has not been examined. We aimed to investigate the effect of PHGG in symptom relief on constipation-predominant IBS according to gender, age, and body mass index (BMI).
Patients and Methods:
Sixty-eight patients with IBS entered a 2-week run-in period, followed by a 4-week study period with PHGG. Patients completed a daily questionnaire to assess the presence of abdominal pain/discomfort, swelling, and the sensation of incomplete evacuation. The number of evacuations/day, the daily need for laxatives/enemas and stool consistency-form were also evaluated. All patients also underwent a colonic transit time (CTT) evaluation.
Results:
PHGG administration was associated with a significant improvement in symptom scores, use of laxatives/enemas, stool form/consistency and CTT. At the end of the study period and compared with baseline, the number of evacuations improved in women, patients aged ≥ 45 years and those with BMI ≥ 25 (
P
< 0.05 for all comparisons); abdominal bloating improved in males (
P
< 0.05), patients < 45 years (
P
< 0.01) and those with BMI < 25 (
P
< 0.05). A decrease in the number of perceived incomplete evacuations/day was reported in patients with a BMI ≥ 25 (
P
< 0.05). Reductions in laxative/enema use were recorded in females (
P
< 0.05), patients < 45 years (
P
< 0.01), and patients with BMI < 25 (
P
< 0.05).
Conclusions:
Gender, age, and BMI seem to influence the effect of PHGG supplementation in constipated IBS patients. Further studies are needed to clarify the interaction of such parameters with a fiber-enriched diet.
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Does anxiety or waiting time influence patients' tolerance of upper endoscopy?
p. 111
Stefano Pontone, Maya Tonda, Manuela Brighi, Matteo Florio, Daniele Pironi, Paolo Pontone
DOI
:10.4103/1319-3767.153839
PMID
:25843198
Background/Aims:
Endoscopy is an essential and very commonly used procedure for the evaluation of a multitude of gastrointestinal symptoms. Although it is increasingly required, patients often wait on arrival at the endoscopy unit until they are called for the procedure. It is not clear whether or not this waiting time may have an impact on patient's tolerance during upper endoscopy. Our study attempts to address this.
Patients and Methods:
We studied consecutive outpatients who underwent endoscopy from September to December, 2013. Gender, age, body mass index (BMI), previous endoscopic experiences, antidepressant therapy, and the time interval between arrival at the endoscopy unit and the onset of examination was recorded. Anxiety before the procedure, pain, and discomfort were rated by a numeric rating scale (0 = no pain/discomfort encountered to 10 = extremely painful/uncomfortable).
Results:
One hundred and five consecutive outpatients (male = 52; mean age = 45.3 years; age range = 20-86 years) were included in the study. The mean BMI was 25 ± 4.8; mean waiting time from registration to the procedure was 172 min (time range = 30 - 375 mins). Mean patients' pre-examination anxiety level was 3 ± 3.84, mean discomfort score was 4.3 ± 3.09 and mean pain score was 3.4 ± 3.03. The level of pain and discomfort was significantly higher in patients with higher levels of pre-procedure anxiety. No differences were found in terms of anxiety, pain and discomfort among patients divided according to waiting time.
Conclusions:
According to our data, waiting time does not have a significant impact on the perception of pain and discomfort related to the endoscopic procedure. On the other hand, high pre-procedural levels of anxiety were associated with a low tolerance. Further multicenter randomized trials are needed to clarify the impact of waiting time.
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CASE REPORT
Cytology findings in pancreatic heterotopia, a potential pitfall for malignancy: A case report and literature review
p. 116
Emad Raddaoui, Abdulsalam Al-Sharabi, Majid A Almadi
DOI
:10.4103/1319-3767.153841
PMID
:25843199
Pancreatic heterotopia is a rare congenital disorder occurring at a variety of sites in the gastrointestinal tract. It is rarely symptomatic. Despite advances in diagnostic techniques, it still remains a challenge to the clinician to differentiate it from a neoplasm. Cytologic characteristics of pancreatic heterotopia in general are rarely described in the literature. We report the cytologic characteristics of heterotopic pancreatic tissue at the gastric outlet in a 48-year-old female. The patient underwent surgical excision due to symptoms related to the lesion. Endoscopic ultrasound fine-needle aspiration is increasingly used for the diagnosis of gastrointestinal tumors, which makes the recognition of certain endoscopically unreachable lesions an important step in optimal patient management.
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IMAGE QUIZ
Unusual case of a submucosal tumor in the sigmoid colon
p. 119
Hiroyuki Odagiri, Toshiro Iizuka, Kenichi Ohashi, Hideo Yasunaga
DOI
:10.4103/1319-3767.153842
PMID
:25843200
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LETTER TO EDITOR
MDR1C3435T polymorphism and inflammatory bowel disease
p. 121
Manzoor A Malik
DOI
:10.4103/1319-3767.153843
PMID
:25843201
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© Saudi Journal of Gastroenterology (Official journal of The Saudi Gastroenterology Association) | Published by Wolters Kluwer -
Medknow
Online since 15
th
October, 2006